Dual Fuel System - ACiQ Heat Pump or AC, 3rd Party Furnace, 3rd PartyCoilCongratulations on purchasing an ACiQ Next-Generation heat pump condenser. Using thissystem in a dual fuel application will dramatically reduce your heating costs in the wintercompared to a standard system setup. The heat pump will provide heat in most conditions andthe furnace will provide backup heat at extreme low temperatures.2023 V1.0 Quick Start GuideACiQ Next Gen Heat Pump CondenserDual FuelACiQ-24-HPBACiQ-36-HPBACiQ-48-HPBACiQ-60-HPBACiQ-24-EHPBACiQ-36-EHPBACiQ-48-EHPBACiQ-60-EHPBACiQ-18-ACACiQ-24-ACACiQ-30-ACACiQ-36-ACACiQ-48-AC